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How do I concatenate two lists in Python?

Example:

listone = [1, 2, 3]
listtwo = [4, 5, 6]

JavaScript
​x
 
listone = [1, 2, 3]
listtwo = [4, 5, 6]
​

Expected outcome:

>>> joinedlist
[1, 2, 3, 4, 5, 6]

JavaScript
 
>>> joinedlist
[1, 2, 3, 4, 5, 6]
​

Use the + operator to combine the lists:

listone = [1, 2, 3]
listtwo = [4, 5, 6]

joinedlist = listone + listtwo

JavaScript
 
listone = [1, 2, 3]
listtwo = [4, 5, 6]
​
joinedlist = listone + listtwo
​

Output:

>>> joinedlist
[1, 2, 3, 4, 5, 6]

JavaScript
 
>>> joinedlist
[1, 2, 3, 4, 5, 6]
​